1201385238988 has 144 divisors (see below), whose sum is σ = 2578914688000. Its totient is φ = 487118966400.

The previous prime is 1201385238983. The next prime is 1201385239001. The reversal of 1201385238988 is 8898325831021.

It is a super-3 number, since 3×1201385238988³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201385238983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10490863 + ... + 10604761.

Almost surely, 2^{1201385238988} is an apocalyptic number.

It is an amenable number.

1201385238988 is an abundant number, since it is smaller than the sum of its proper divisors (1377529449012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201385238988 is a wasteful number, since it uses less digits than its factorization.

1201385238988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114012 (or 113999 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 1201385238988 in words is "one trillion, two hundred one billion, three hundred eighty-five million, two hundred thirty-eight thousand, nine hundred eighty-eight".